Old Crow Medicine Show as seen in a reflection of The Flaming Lips' UFO (Bonnaroo, Manchester, Tenn., June 14-17)

Regina Spektor has a laugh after forgetting some of her lyrics. (Bonnaroo, Manchester, Tenn., June 14-17)

Ben Harper plays slide guitar during a jam with ?uestlove and John Paul Jones. (Bonnaroo, Manchester, Tenn., June 14-17)

Jazz legend Ornette Coleman performs shortly before passing out from heat exhaustion (Bonnaroo, Manchester, Tenn., June 14-17)

Lily Allen (Bonnaroo, Manchester, Tenn., June 14-17)

Clutch (Bonnaroo, Manchester, Tenn., June 14-17)

Cold War Kids (Bonnaroo, Manchester, Tenn., June 14-17)

White Stripes (Bonnaroo, Manchester, Tenn., June 14-17)

The Wild Magnolia Mardi Gras Indians (Bonnaroo, Manchester, Tenn., June 14-17)